CN113136123A - High-definition projection paint and preparation method and application thereof - Google Patents
High-definition projection paint and preparation method and application thereof Download PDFInfo
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- CN113136123A CN113136123A CN202110372490.8A CN202110372490A CN113136123A CN 113136123 A CN113136123 A CN 113136123A CN 202110372490 A CN202110372490 A CN 202110372490A CN 113136123 A CN113136123 A CN 113136123A
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- definition projection
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Abstract
A high-definition projection paint, a preparation method and an application thereof relate to the field of paint, and the high-definition projection paint comprises the following raw materials in percentage by mass: 20 to 25 percent of glass powder, 2.5 to 5 percent of kaolin, 0.1 to 0.5 percent of lithium magnesium silicate, 0.1 to 0.3 percent of bactericide, 0.1 to 0.3 percent of defoaming agent, 0.1 to 0.2 percent of wetting agent, 0.3 to 0.5 percent of dispersing agent, 0.1 to 0.5 percent of cellulose, 0.5 to 1 percent of polyurethane thickener, 0.1 to 0.3 percent of PH regulator, 1 to 5 percent of titanium pigment, 20 to 25 percent of acrylic emulsion, 1 to 1.5 percent of film-forming additive, 0.5 to 1.5 percent of antifreeze and the balance of water. This patent adopts the glass powder as the light gain material, and the projection lacquer that obtains does not have the color effect, can effectively solve the problem of discolouing of aqueous projection lacquer.
Description
Technical Field
The invention relates to the field of chemical industry, in particular to a coating.
Background
Projection screens are imaging devices in projection modules, and conventional projection screens are screen cloth, glass bead screens, and metal screens. The reel or the hanging rack occupies a certain space, and the reel or the hanging rack is easy to turn yellow after being used for a long time, is not dirty, has a small visual angle, is not waterproof and cannot be scrubbed; the projection screen is large in size, expensive and difficult to install, and if large-area projection is needed, a plurality of screens are needed to be spliced, so that the defect of splicing lines exists.
Disclosure of Invention
The invention aims to provide a high-definition projection paint to solve the technical problems.
It is also an object of the present invention to provide a method for preparing a high definition projection paint.
It is also an object of the present invention to provide the use of high definition projection paints for application to high definition projection paints.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the high-definition projection paint is characterized by comprising the following raw materials in percentage by mass: 20 to 25 percent of glass powder, 2.5 to 5 percent of kaolin, 0.1 to 0.5 percent of lithium magnesium silicate, 0.1 to 0.3 percent of bactericide, 0.1 to 0.3 percent of defoaming agent, 0.1 to 0.2 percent of wetting agent, 0.3 to 0.5 percent of dispersing agent, 0.1 to 0.5 percent of cellulose, 0.5 to 1 percent of polyurethane thickener, 0.1 to 0.3 percent of PH regulator, 1 to 5 percent of titanium pigment, 20 to 25 percent of acrylic emulsion, 1 to 1.5 percent of film-forming additive, 0.5 to 1.5 percent of antifreeze and the balance of water.
The preparation method of the high-definition projection paint is characterized in that in the first step, water accounting for 30 percent of the total amount of the formula is added under the stirring condition; step two, adding cellulose, and stirring for 5 min; adding a pH regulator, and stirring until the cellulose is completely dissolved; step four, adding the defoaming agent, the wetting agent and the dispersing agent in sequence and stirring for 5 min; step five, adding titanium dioxide, kaolin and lithium magnesium silicate in sequence, and dispersing at a high speed of 1500r/min for 15min-30 min; step six, reducing the speed to 1000r/min, adding the film forming additive, the antifreeze agent, the bactericide and the glass powder, and stirring for 5 min; step seven, adding acrylic emulsion and adding all the water left in the formula; and step eight, adding a polyurethane thickener to adjust the viscosity to 80-90KU, and obtaining the high-definition projection paint.
The water is preferably deionized water, so that the influence of ions and microorganisms in common water on the stability of the formula is avoided.
The cellulose is preferably HEC cellulose, which serves to thicken the coating.
The pH regulator is preferably AMP-95, so that the pH value of the system is adjusted to be alkalescent, and the cellulose dissolution speed is increased.
The defoaming agent is preferably one or more of an organic silicon defoaming agent, a mineral oil defoaming agent and an emulsified mineral oil defoaming agent.
The wetting agent is preferably an AEPO-free coating wetting agent, which primarily allows water to spread out on or penetrate into the surface of the solid material, thereby wetting the solid material.
The dispersant is an ammonium salt dispersant with good water resistance, can uniformly disperse powder in the formula, and can prevent the powder from settling and coagulating.
The kaolin is preferably ultrafine powder of 4000 meshes, so that the covering efficiency of the titanium dioxide can be improved, and a certain extinction effect can be provided.
The magnesium lithium silicate is preferably a magnesium lithium silicate gel, the crystal structural unit of which is a minute flake having a thickness in nanometers. The surface of the tablet is coated with exchangeable cations, mainly Na +. When the gel particles are mixed with water, the water is adsorbed to the surface of the flakes in contact with Na +, spreading the gel along the flakes, at which point the particles rapidly swell until the flakes separate. Because the slice level is negatively charged, the terminal surface is positively charged, the slice terminal surface after separating is attracted to the level of another slice, thus form the colloidal structure of the three-dimensional space rapidly, namely card palace structure, make the viscosity of the system increase, and have high suspension, provide the better anti-sinking property of the system, when brushing and stirring, can thin rapidly, do not influence the construction.
The glass powder is preferably glass powder with the fineness of 100-300 meshes, plays a main light gain role in the formula, and when a projector irradiates the surface of the projection paint, the glass powder with the irregular section on the surface of a paint film forms good diffuse reflection, so that the brightness coefficient of the projection paint is effectively improved, and the effective scattering angle of the projection paint is greatly increased.
The acrylic emulsion is preferably a pure acrylic emulsion with a Tg value > 35 ℃. Pure acrylic acid has more than enough yellowing resistance, Tg reaches more than 35 ℃, and the addition amount of the emulsion in the formula ensures that the projection paint has enough stain resistance. Further preferably, the mass percent of acrylic acid in the acrylic emulsion is 20-25%.
The polyurethane thickener is a thickener with medium shear viscosity, thereby providing good in-tank viscosity and construction viscosity of the projection paint.
High definition projection wall, including the wall, its characterized in that, it has high definition projection paint to coat on the wall.
Has the advantages that: the application publication number is CN 106189628A, and the patent name is a manufacturing and application process patent of the water-based projection screen paint, and discloses the water-based projection screen paint, wherein mica sheet powder is adopted as an optical gain substance in the projection screen paint, and the mica sheet powder can influence the image color fidelity in the actual use process. The glass powder is used as the optical gain substance, the obtained projection paint has no color effect, the problem of color fidelity of the water-based projection paint can be effectively solved, more importantly, the problem of color fidelity of the water-based projection paint is solved, the optical characteristics are obviously superior to those of the water-based projection paint, and the water-based projection paint is mainly reflected in high reflectivity, high brightness gain, high brightness, strong stereoscopic impression, vivid color and good color fidelity.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
The high-definition projection paint comprises the following raw materials in percentage by mass: 20 to 25 percent of glass powder, 2.5 to 5 percent of kaolin, 0.1 to 0.5 percent of lithium magnesium silicate, 0.1 to 0.3 percent of bactericide, 0.1 to 0.3 percent of defoaming agent, 0.1 to 0.2 percent of wetting agent, 0.3 to 0.5 percent of dispersing agent, 0.1 to 0.5 percent of cellulose, 0.5 to 1 percent of polyurethane thickener, 0.1 to 0.3 percent of PH regulator, 1 to 5 percent of titanium pigment, 20 to 25 percent of acrylic emulsion, 1 to 1.5 percent of film-forming additive, 0.5 to 1.5 percent of antifreeze and the balance of water.
The preparation method of the high-definition projection paint comprises the following steps of firstly, adding water accounting for 30% of the total amount of the formula under the stirring condition; step two, adding cellulose, and stirring for 5 min; adding a pH regulator, and stirring until the cellulose is completely dissolved; step four, adding the defoaming agent, the wetting agent and the dispersing agent in sequence and stirring for 5 min; step five, adding titanium dioxide, kaolin and lithium magnesium silicate in sequence, and dispersing at a high speed of 1500r/min for 15min-30 min; step six, reducing the speed to 1000r/min, adding the film forming additive, the antifreeze agent, the bactericide and the glass powder, and stirring for 5 min; step seven, adding acrylic emulsion and adding all the water left in the formula; and step eight, adding a polyurethane thickener to adjust the viscosity to 80-90KU, and obtaining the high-definition projection paint.
Preferred material or type of the raw material component
The water is preferably deionized water, so that the influence of ions and microorganisms in common water on the stability of the formula is avoided. The cellulose is preferably HEC cellulose, which serves to thicken the coating. The pH regulator is preferably AMP-95, so that the pH value of the system is adjusted to be alkalescent, and the cellulose dissolution speed is increased. The defoaming agent is preferably one or more of an organic silicon defoaming agent, a mineral oil defoaming agent and an emulsified mineral oil defoaming agent. The wetting agent is preferably an AEPO-free coating wetting agent, which primarily allows water to spread out on or penetrate into the surface of the solid material, thereby wetting the solid material. The dispersant is an ammonium salt dispersant with good water resistance, can uniformly disperse powder in the formula, and can prevent the powder from settling and coagulating. The kaolin is preferably ultrafine powder of 4000 meshes, so that the covering efficiency of the titanium dioxide can be improved, and a certain extinction effect can be provided. The magnesium lithium silicate is preferably a magnesium lithium silicate gel, the crystal structural unit of which is a minute flake having a thickness in nanometers. The surface of the tablet is coated with exchangeable cations, mainly Na +. When the gel particles are mixed with water, the water is adsorbed to the surface of the flakes in contact with Na +, spreading the gel along the flakes, at which point the particles rapidly swell until the flakes separate. Because the slice level is negatively charged, the terminal surface is positively charged, the slice terminal surface after separating is attracted to the level of another slice, thus form the colloidal structure of the three-dimensional space rapidly, namely card palace structure, make the viscosity of the system increase, and have high suspension, provide the better anti-sinking property of the system, when brushing and stirring, can thin rapidly, do not influence the construction. The glass powder is preferably glass powder with the fineness of 100-300 meshes, plays a main light gain role in the formula, and when a projector irradiates the surface of the projection paint, the glass powder with the irregular section on the surface of a paint film forms good diffuse reflection, so that the brightness coefficient of the projection paint is effectively improved, and the effective scattering angle of the projection paint is greatly increased. The acrylic emulsion is preferably a pure acrylic emulsion with a Tg value > 35 ℃. Pure acrylic acid has more than enough yellowing resistance, Tg reaches more than 35 ℃, and the addition amount of the emulsion in the formula ensures that the projection paint has enough stain resistance. Further preferably, the mass percent of acrylic acid in the acrylic emulsion is 20-25%. The polyurethane thickener is a thickener with medium shear viscosity, thereby providing good in-tank viscosity and construction viscosity of the projection paint.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The glass powder in the formula is a key raw material for improving the gain rate beta of the projection paint, the projection paint with different beta values can be obtained by adjusting the proportion, the beta value is higher as the addition amount of the glass powder is larger, and the beta value measurement method refers to JB/T7809-2017 projection screen characteristic parameters and a measurement method; the fineness of the glass powder is 100-300 meshes, the fineness of the glass powder is adjusted to have certain influence on optical gain, and the glass powder is too fine and is easily coated by other powder materials, so that the optical gain effect cannot be exerted; too coarse projection paint is easy to settle; the titanium dioxide in the formula is used for improving the whiteness of the coating and covering a substrate; the content of the pure acrylic emulsion is 20-25%, and the key point of the projection paint for resisting pollution is that the Tg reaches more than 35 ℃; the use of pure acrylic emulsions provides good yellowing resistance of the projection paints.
High definition projection wall, including the wall, the coating has high definition projection lacquer on the wall.
Preferably, the high-definition projection paint has two layers, namely a primer coated on the wall surface and a finish coated on the primer. When the primer is coated, firstly, the first paint is transversely coated, then the second paint is longitudinally coated, then the third paint is transversely coated, and the like. The paint brushed transversely and the paint brushed longitudinally have coincident surfaces, and the paint brushed longitudinally and the paint brushed transversely have coincident surfaces. And after the primer is at least half-dried, coating finish paint. And when the finish paint is coated, the center of the primer is taken as a spiral center to be coated from inside to outside in a spiral way. Thereby the light is more uniform and more three-dimensional, and the surface of the high-definition projection paint is more smooth.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The high-definition projection paint is characterized by comprising the following raw materials in percentage by mass: 20 to 25 percent of glass powder, 2.5 to 5 percent of kaolin, 0.1 to 0.5 percent of lithium magnesium silicate, 0.1 to 0.3 percent of bactericide, 0.1 to 0.3 percent of defoaming agent, 0.1 to 0.2 percent of wetting agent, 0.3 to 0.5 percent of dispersing agent, 0.1 to 0.5 percent of cellulose, 0.5 to 1 percent of polyurethane thickener, 0.1 to 0.3 percent of PH regulator, 1 to 5 percent of titanium pigment, 20 to 25 percent of acrylic emulsion, 1 to 1.5 percent of film-forming additive, 0.5 to 1.5 percent of antifreeze and the balance of water.
2. A high definition projection paint as claimed in claim 1, wherein the water is deionized water.
3. A high definition projection lacquer according to claim 1, wherein the cellulose is HEC cellulose.
4. A high definition projection paint as claimed in claim 1 wherein the kaolin is a 4000 mesh ultra fine powder.
5. A high definition projection paint as claimed in claim 1, wherein the lithium magnesium silicate is a lithium magnesium silicate gel, the crystal structure unit of which is a tiny flake with a thickness in nanometers.
6. The high definition projection paint as claimed in claim 1, wherein the glass powder is a glass powder with a fineness of 100-300 mesh.
7. A high definition projection paint as claimed in claim 1, characterized in that the acrylic emulsion is a pure acrylic emulsion with a Tg value > 35 ℃.
8. A process for the preparation of a high-definition projection lacquer, characterized in that, in a first step, water is added under stirring in an amount of 30% of the total amount of the formulation according to claim 1; step two, adding cellulose, and stirring for 5 min; adding a pH regulator, and stirring until the cellulose is completely dissolved; step four, adding the defoaming agent, the wetting agent and the dispersing agent in sequence and stirring for 5 min; step five, adding titanium dioxide, kaolin and lithium magnesium silicate in sequence, and dispersing at a high speed of 1500r/min for 15min-30 min; step six, reducing the speed to 1000r/min, adding the film forming additive, the antifreeze agent, the bactericide and the glass powder, and stirring for 5 min; step seven, adding acrylic emulsion and adding all the water left in the formula; and step eight, adding a polyurethane thickener to adjust the viscosity to 80-90KU, and obtaining the high-definition projection paint.
9. A high-definition projection wall comprising a wall surface, wherein the high-definition projection paint of claim 1 is coated on the wall surface; the high-definition projection paint has two layers, namely a primer coated on a wall surface and a finish coated on the primer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110372490.8A CN113136123A (en) | 2021-04-07 | 2021-04-07 | High-definition projection paint and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110372490.8A CN113136123A (en) | 2021-04-07 | 2021-04-07 | High-definition projection paint and preparation method and application thereof |
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| CN113136123A true CN113136123A (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110372490.8A Pending CN113136123A (en) | 2021-04-07 | 2021-04-07 | High-definition projection paint and preparation method and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497777A (en) * | 2014-12-01 | 2015-04-08 | 山西大学 | Room temperature self-crosslinking water-based paint as well as preparation method and application thereof |
| CN105820725A (en) * | 2016-06-12 | 2016-08-03 | 深圳市石代科技有限公司 | Projection coating, projection curtain surface and manufacturing method of projection curtain surface |
| CN108003728A (en) * | 2017-12-22 | 2018-05-08 | 山东韩师傅胶业有限公司 | A kind of intelligent transportation self-luminescent road marking paint and preparation method thereof |
| CN108659658A (en) * | 2018-05-18 | 2018-10-16 | 张家港宝视特影视器材有限公司 | High brightness moulds the coating material and preparation method thereof of projection screen in vain |
| CN112280398A (en) * | 2020-07-25 | 2021-01-29 | 上海立邦长润发涂料有限公司 | Water-based single-component colored paint capable of being dip-coated, preparation method thereof and dip-coating method |
-
2021
- 2021-04-07 CN CN202110372490.8A patent/CN113136123A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497777A (en) * | 2014-12-01 | 2015-04-08 | 山西大学 | Room temperature self-crosslinking water-based paint as well as preparation method and application thereof |
| CN105820725A (en) * | 2016-06-12 | 2016-08-03 | 深圳市石代科技有限公司 | Projection coating, projection curtain surface and manufacturing method of projection curtain surface |
| CN108003728A (en) * | 2017-12-22 | 2018-05-08 | 山东韩师傅胶业有限公司 | A kind of intelligent transportation self-luminescent road marking paint and preparation method thereof |
| CN108659658A (en) * | 2018-05-18 | 2018-10-16 | 张家港宝视特影视器材有限公司 | High brightness moulds the coating material and preparation method thereof of projection screen in vain |
| CN112280398A (en) * | 2020-07-25 | 2021-01-29 | 上海立邦长润发涂料有限公司 | Water-based single-component colored paint capable of being dip-coated, preparation method thereof and dip-coating method |
Non-Patent Citations (1)
| Title |
|---|
| 仓理: "《涂料工艺》", 31 July 2005, 化学工业出版社 * |
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Application publication date: 20210720 |
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